History is complicated, and people’s lives are even more so. In the short biography and video clip that Facebook has to share, Irena Sendler is presented as a Catholic woman who saved approximately 2,500 Jewish children. That is true, as far as it goes. Irene was certainly a courageous woman, and she came from Catholic roots and was devoted to the Church during her later years. But there is more to her story. Real heroes often lead complicated lives, as readers of Tilar J. Mazzeo’s Irena’s Children will discover.